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Event Notification Report for November 12, 2001

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
11/11/2001 - 11/12/2001

EVENT NUMBERS
384973849338495

Power Reactor
Event Number: 38497
Facility: LASALLE
Region: 3     State: IL
Unit: [1] [2] []
RX Type: [1] GE-5,[2] GE-5
NRC Notified By: HAROLD VINYARD
HQ OPS Officer: FANGIE JONES
Notification Date: 11/13/2001
Notification Time: 02:16 [ET]
Event Date: 11/12/2001
Event Time: 21:00 [CST]
Last Update Date: 11/13/2001
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE
Person (Organization):
BRUCE JORGENSEN (R3)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N Y 100 Power Operation 100 Power Operation
2 N Y 100 Power Operation 100 Power Operation
Event Text
ERDS DISCOVERED INOPERABLE

"...This report is being made pursuant to 10 CFR 50.72(b)(3)(xiii) and Exelon Reportability Manual SAF 1.10. At 2100 hours on 11/12/01, it was discovered that the Emergency Response Data System (ERDS) was not operational. This system provides a data link between the LaSalle onsite computer system and the NRC Headquarters Operational Center when activated during emergency situations. The ERDS system was restored to an operable status at 2320 hours on 11/12/01 after resolving a computer system software issue. The NRC resident inspector has been notified of this event."

The discovery was made while conducting training of a new candidate.


Power Reactor
Event Number: 38493
Facility: OCONEE
Region: 2     State: SC
Unit: [] [] [3]
RX Type: [1] B&W-L-LP,[2] B&W-L-LP,[3] B&W-L-LP
NRC Notified By: MICHAEL DUNTON
HQ OPS Officer: FANGIE JONES
Notification Date: 11/12/2001
Notification Time: 04:59 [ET]
Event Date: 11/12/2001
Event Time: 03:35 [EST]
Last Update Date: 11/12/2001
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(ii)(A) - DEGRADED CONDITION
Person (Organization):
CHARLES OGLE (R2)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
3 N N 0 Cold Shutdown 0 Cold Shutdown
Event Text
INDICATION OF PRESSURE BOUNDARY LEAKAGE DISCOVERED DURING VISUAL INSPECTION OF HEAD

The licensee was conducting visual inspection of the reactor vessel control rod drive mechanism (CRDM) nozzles in response to the NRC Bulletin 2001-01. They discovered indications of leakage evidenced by minor boric acid buildup around 4 CRDM nozzles. There is potential for 3 additional nozzles leaking that will require further inspections. Additional inspections and repairs will be conducted in accordance with NRC Bulletin 2001-01. The plant will remain at or below Cold Shutdown until repairs are completed.

The licensee notified the NRC Resident Inspector.

(Note: See similar events #38416, 38365, 38169)


Power Reactor
Event Number: 38495
Facility: OYSTER CREEK
Region: 1     State: NJ
Unit: [1] [] []
RX Type: [1] GE-2
NRC Notified By: CIGANIK
HQ OPS Officer: CHAUNCEY GOULD
Notification Date: 11/12/2001
Notification Time: 12:28 [ET]
Event Date: 11/12/2001
Event Time: 10:45 [EST]
Last Update Date: 11/12/2001
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(xi) - OFFSITE NOTIFICATION
Person (Organization):
R1 IRC TEAM MANAGER (R1)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N N 0 Cold Shutdown 0 Cold Shutdown
Event Text
LARGE FISHKILL REPORTED TO THE STATE OF NEW JERSEY

The New Jersey Department of Environmental Protection was notified of a large fishkill(approximately several hundred fish) in their discharge canal. Most of the fish were Jack fish, but there were also other species. The cause is from the unplanned unit shutdown on 11/11/01.

The NRC Resident Inspector was notified.